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Water system · PWSID MO5036152

MERRIAM WOODS PWS

MERRIAM WOODS, MO · ~1,839 people served

Check your exact address → MERRIAM WOODS overview
100
Excellent
PurityRadar safety score

PWSID

MO5036152

State

Missouri

City

MERRIAM WOODS

Population served

1,839

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

46

Violations on record

1

Unaddressed

0

Health-based

47

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2023. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2023 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2019 Resolved
Monitoring & reporting · Thallium began Jan 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · Thallium began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved

Recent enforcement actions

  • State action · SOX Dec 2023
  • State action · SFJ Oct 2023
  • State action · SOX Nov 2022
  • State action · SOX Sep 2021
  • State action · SIF Jul 2020
  • State action · SOX May 2020
  • State action · SOX May 2020
  • State action · SIE Feb 2020

This profile is built from EPA public records for system MO5036152 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.